6191449 has 6 divisors (see below), whose sum is σ = 6805610. Its totient is φ = 5628480.

The previous prime is 6191443. The next prime is 6191461. The reversal of 6191449 is 9441916.

It can be written as a sum of positive squares in only one way, i.e., 3920400 + 2271049 = 1980^2 + 1507^2 .

It is not a de Polignac number, because 6191449 - 2⁹ = 6190937 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6191443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25464 + ... + 25705.

Almost surely, 2^6191449 is an apocalyptic number.

It is an amenable number.

6191449 is a deficient number, since it is larger than the sum of its proper divisors (614161).

6191449 is a wasteful number, since it uses less digits than its factorization.

6191449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51191 (or 51180 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 6191449 is about 2488.2622450216. The cubic root of 6191449 is about 183.6245593631.

The spelling of 6191449 in words is "six million, one hundred ninety-one thousand, four hundred forty-nine".